ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæÝ¹È߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØÔŸ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙ""" Support for using a dedicated read-slave. The read database is specified as a Model.Meta option, and will be used for SELECT statements: master = PostgresqlDatabase('master') read_slave = PostgresqlDatabase('read_slave') class BaseModel(ReadSlaveModel): class Meta: database = master read_slaves = [read_slave] # This database will be used for SELECTs. # Now define your models as you would normally. class User(BaseModel): username = CharField() # To force a SELECT on the master database, you can instantiate the SelectQuery # by hand: master_select = SelectQuery(User).where(...) """ from peewee import * class ReadSlaveModel(Model): @classmethod def _get_read_database(cls): if not getattr(cls._meta, 'read_slaves', None): return cls._meta.database current_idx = getattr(cls, '_read_slave_idx', -1) cls._read_slave_idx = (current_idx + 1) % len(cls._meta.read_slaves) return cls._meta.read_slaves[cls._read_slave_idx] @classmethod def select(cls, *args, **kwargs): query = super(ReadSlaveModel, cls).select(*args, **kwargs) query.database = cls._get_read_database() return query @classmethod def raw(cls, *args, **kwargs): query = super(ReadSlaveModel, cls).raw(*args, **kwargs) if query._sql.lower().startswith('select'): query.database = cls._get_read_database() return query